Hello.Just had my boa in the bath as she is due to shed and always she does her business in the water, but this time there was a tiny bit of blood afterwards. Is this a concern or should I just keep an eye on her?

It is likely nothing, so just keep an eye on her for now. Make sure you take notes (date, etc), get her weight (for later comparison), and take picts if it happens again....all just in case. Fingers crossed!